GROM-USB3 MP3 car stereo adapter kit

GROM-USB3 MP3 car stereo adapter kit

TABLE OF CONTENTS

Chapter 1 ? Introduction

1.1 Subject

p.2

1.2 Functionality Highlights

p.2

1.3 Main Features in USB, iPhone/iPod/iPad and Android? phone mode

p.2

1.4 Bluetooth Hands Free and Wireless, AUX-IN and HD Radio

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1.5 Precautions

p.2

1.6 Disclaimer

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1.7 Completeness and connection of the set

p.3

1.8 Important Compatibility Notes

p.4

1.9 EXT1/EXT2 ports

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Chapter 2 ? General Installation

2.1 General Installation

p.5

2.2 Tools needed

p.5

2.3 Preparation and adapter installation

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2.4 Installation Troubleshooting

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Chapter 3 ? Usage manual

3.1 Different MODES of GROM-USB

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3.1.1 Different Modes for CDC emulation only

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3.1.2 Different Modes for SAT emulation only

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3.2 USB Mode - Android Device Operation

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3.2.1 Android Setup and Operation

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3.2.2 Android Operation Troubleshooting

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3.3 Operation in USB Mode with USB stick

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3.3.1 Supported USB Storage Devices

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3.3.2 Supported formats

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3.3.3 Directories Setup

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3.3.4 Basic Features

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3.3.5 Detailed operation instructions

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3.3.6 USB Operation Troubleshooting

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3.4 USB Operation for the music stored on iOS device and iTunes

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3.4.1 Simple Mode

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3.4.2 Advanced Mode

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3.4.3 Playlist Sep up for Advanced Mode

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3.5 USB iOS Operation for the music from any mobile app

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3.6 When car ignition is OFF

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3.7 iPhone/iPod/iPad Operation troubleshooting

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3.8 AUX Mode -- AUX-IN , HD Radio or Bluetooth Operation

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3.8.1 AUX-IN input

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3.8.2 Bluetooth Dongle

p.16

3.8.3 HDR1 HD Radio Dongle

p.16

Chapter 4 ? Support

p.16

Chapter 5 ? Warranty, license and disclaimer

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Chapter 1 ? Introduction

1.1 Subject

Thank you for purchasing the GROM-USB3 adapter. To ensure that your GROM-USB3 interface performs correctly in your vehicle, we recommend that you read this entire manual before attempting to install the GROM interface.

1.2 Functionality Highlights

- Easily access media collection in your car, including shuffling songs, skipping between tracks, and adjusting the volume--all with your factory car stereo head unit or multifunction steering wheel controls. - Listen to your favorite music directly from virtually any USB mass storage device, flash stick or portable hard drive, requiring no dedicated media player. - Android? phone (most supported) play, charge and control through USB port via standard USB to Android cable. - iPod?/iPhone?/iPad? play, charge and control via standard USB to iPod cable (supports both 30-pin and Lightning style connectors). - Bluetooth, HD Radio or AUX-IN integration. To get AUX-IN you will need GROM MiniDin to 3.5mm audio and 5V USB charging cable, to get the Bluetooth hands free and wireless functionality you will need GROM-BTD Bluetooth Dongle , to get the HD Radio you will need GROM-HDR1 HD Radio Dongle (GROM-HDR1, GROM-BTD and GROM aux cable are sold separately).

1.3 Main Features in USB, iPhone/iPod/iPad or Android mode

- Ability to listen to the songs in the car on USB mass storage device (such as flash drive), iPhone/iPod/iPad or Android phone (using DashLinQ app for Android from Google? Play Store). - Ability to control music from car stereo or steering wheel buttons. - Folders on the USB drives are mapped to an individual "Disc" button on car stereo's dashboard (different for SAT emulation ? please refer to your installation manual). Music playlists on Android phone within DashLinQ and iPhone (iTunes and stored music) are mapped to Discs. - Android phone and iOS devices are charged while in car.

1.4 Bluetooth Hands Free and Wireless Audio, AUX-IN, and HD Radio Features

- With hands free (HFP) you can receive the phone calls through the factory car stereo, answer or reject the phone calls using car stereo or steering wheel controls, speak to the other person using microphone provided with GROM Bluetooth Dongle. Wireless music play from your phone to the factory car stereo (A2DP), control the music or Pandora? internet radio with the car stereo or steering wheel buttons (AVRCP) (GROM Bluetooth Dongle is required). - HD Radio integration is available with GROM HDR1 Dongle, and AUX-In is possible with GROM aux cable

1.5 Precautions

Proper mounting location securely installs the interface in a location free from heat, humidity, moving parts, or direct sunlight. Beware of hot-air flow from your vehicle's climate control system. The interface should be secured in a suitable location, free of sharp metal edges, using double-sided tape, Velcro, or wire ties. The adapter's operating temperature range is -30?C to +70?C (-24?F to +158?F)

1.6 Disclaimer

- This product is not affiliated with any of the OEM manufacturers - Modifying the stereo may void any existing warranty - The purchase of this product carries no warranties, either expressed or implied - GROM Audio has confirmed the listed stereo and vehicle application to the best of our ability. Due to uncontrollable factors and various factory options, GROM Audio cannot 100% guarantee every listed application. These factors

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include variables such as inconsistencies within a factory stereo, factory stereo models unknown to GROM Audio and any partial model year changes. - Keep your eyes on the road while driving!

We are not liable for the misuse of this product, including improper installation, damage to the board or stereo during installation, and the illegal use of the stereo

1.7 Completeness and connection of the set

a) The GROM audio adapter set consists of the GROM-USB main interface, one automotive grade USB cable 3FT, and one vehicle-specific cable.

GROM USB3 interface

2.One Automotive grade USB 3FT (or USB to Android or iPhone cable)

3. One Vehicle specific cable

Figure 1. Package contents

b) The basic package does not include the optional accessories that you can purchase separately:

HDR1 HD radio Dongle

AUX MiniDin 3.5mm USB charge cable

GROM Bluetooth Dongle

Figure 2. Optional Accessories (sold separately)

c) The basic wiring diagram of the GROM Audio adapter is detailed in Figure 3 (some installs may differ):

Figure 3. Basic wiring diagram

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1.8 Important Compatibility Notes

- If your vehicle is equipped with an external factory CD changer, you must disconnect it in order to be able to install the GROM interface. You will lose the use of the external CD changer to gain the use of your USB device, iPod, Bluetooth or MP3 player. The built-in CD changer will remain operational. - If your vehicle has factory SAT and GROM adapter is using SAT emulation, you must disconnect factory SAT to gain the use of your USB device, iPod, Bluetooth or MP3 player. This is applicable to Nissan/Infinity with SAT emulation, Honda/Acura 03 and up with SAT emulation, Ford/Lincoln/Mercury, Mazda 3,5 08-09 and Subaru 07-09. For a full version of the GROM compatibility guide, please visit or contact GROM Audio at .

1.9 USB/EXT1/EXT2 ports

It is recommended for you to use GROM automotive grade USB extension cable. It will ensure better connection using the latch system that withstands the moving vehicle conditions. In addition it will prevent the wear-out of USB port of GROM-USB3 adapter.

Please refer to the Figure 4 below for the proper connection of the accessories to the EXT1/EXT2 ports of GROM-USB3 module.

Figure 4. EXT ports, accessories connection

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Chapter 2 ? General Installation

2.1 Installation location

Most installations will require removing the factory stereo in order to plug in the vehicle specific harness. For some vehicles, you will also have the option to connect the interface to the factory pre-run CD changer cable located in the trunk or glove box.

2.2 Tools needed

In most cases, there are no special tools required in order to remove the stereo. For some stereos (e.g., VW, Audi), it is better to use car stereo removal tools. Please consult your local car audio shop or your vehicle's dealership for instructions or assistance as necessary. If you are unsure how to install the interface properly, we recommend contacting your local car stereo shop for assistance. Some installation examples can be found at .

2.3 Preparation and adapter installation

1. Turn off car engine and remove key from ignition 2. If your stereo uses a Security Code, make sure that you have the code before unplugging the stereo. 3. Remove your stereo from the dash in order to gain access to the back of the stereo. Some vehicles require special tools to remove the stereo. Please consult your vehicle's dealership or a local car audio professional, if necessary. 4. Attach the car harness connector to the CD changer port in the back of the stereo. Be sure to make a secure connection with no bent pins, but do not force it. Connect the other end to the interface. For VW/Audi/Seat/Skoda with dashboard cable only: There is a black single cable on the vehicle-specific harness (Figure 5) that you will need to attach to the back bolt of the car stereo or the stereo chassis stereo.

Figure 5. VW/Audi/Seat/Skoda Connection Scheme Remove the PVC from the end of the black wire (2)

Connect the end of the black wire (2) to the metal part of the car stereo chassis. You can connect it under the bolt (3) if it is present

Make sure that solid contact is made between the striped black wire and the metal part of the car stereo body. Note: Failure to attach the black cable to the chassis of the stereo will result in the GROM adapter not

working! All of the specified vehicles require this black cable to be attached.

5. For Audi vehicles only: Some Audi head units require an additional part (AUDS cable) or harness modification to gain the access to the CD changer port. A solid 20-pin connector occupies the 8-pin CD changer port on such stereos. Please refer to the instructions at for more information.

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6. For BMW, Ford, Nissan, Infiniti, Volvo, Mazda 08-12 vehicles only: Please refer to the installation insert for the special guidelines for BMW, Ford, Nissan, Volvo and Mazda installation.

7. For Toyota and Honda (03 and up) vehicles: On some Toyota/Lexus/Scion vehicles and Honda/Acura (03 and up) vehicles, the CD changer port is occupied by a factory harness (such as NAV or audio harness). The GROM package for Toyota and for Honda/Acura (HON1) includes a Y-shaped vehicle cable. In order to connect the interface properly, please refer to Figure 5. If stereo port is already empty, simply plug GROM cable into stereo.

Figure 6. Connection Toyota/Lexus/Scion and Honda/Acura

8. Turn your car stereo on and switch it over to CD Changer mode using the Disc/Mode/CD/AUX buttons on your car stereo (depending on the stereo type). You may have to press CD/Disc twice to access CD Changer mode. Your display should now show Disc 1, Track 01 or similar. 9. Connect the USB cable to the USB device. Turn on your car stereo and play some music from your USB device (folders need to be setup). You should hear the sound coming from the car stereo speakers. 10. Once you confirmed the operation of the interface, continue with the installation. If you have trouble with the installation, please see our troubleshooting section. 11. Find a place for the GROM USB adapter. In many cars, the dash offers sufficient room for installation. Note: Make sure you mount the GROM USB adapter in a place with sufficient room so that, when you remount the car stereo, you do not break the adapter. We strongly recommend you mount unit in easy access location 12. You may use the glove box or other spaces on the dash to direct the USB cables away from the unit. 13. Remount your car stereo, making sure it fits securely. 14. Adapter mounting in the trunk (for VW and BMW only) (1) Locate trunk mounting cable in your car (usually located in the left side of the car in the back) (2) Disconnect existing CD changer, if any. (3) Attach matching cables Note for BMW trunk installations: Some BMW are factory wired for the cellular phone. Except for wire location, the factory cellular phone connector looks identical to the factory 3-pin connector used for the CD changer. The CORRECT 3-pin connector for the CD-Changer has a BROWN wire (ground) in the #1 pin position. Please make certain you use this connector. The INCORRECT factory cellular phone connector has a BROWN wire in the center position ? DO NOT USE THIS CONNECTOR.

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Congratulations! You have installed the GROM USB adapter and may use it immediately with your USB device, MP3 player, Android phone, or iPod/iPhone/iPad.

2.4 Installation Troubleshooting

Symptom

Stereo is not recognizing the GROM USB adapter

Stereo is not recognizing the GROM USB adapter The sound is distorted

Stereo is not recognizing the GROM USB adapter

No music is audible from the MP3 player No power For VAG only: Stereo is not recognizing the GROM USB adapter For BMWS (dash install) only: Stereo is not recognizing the GROM USB adapter

Cause

Some Honda, Toyota, and Lexus car stereos have to be restarted before the stereo catches the signal External CD changer is present and not disconnected External CD changer is present and not disconnected Bad cables or cables are not connected properly between the interface box and car stereo. CD changer is not selected

Bad connection Single black wire on the vehicle-specific harness is not grounded properly.

Bus wire may have become loose. Sometimes, when using Posi-Tap clips, the Bus wire may not receive proper connection due to its wire size.

Remedy

After connecting the adapter, turn the stereo on; turn the ignition off and then back on

Make sure to disconnect the external CD changer Make sure to disconnect the external CD changer Check connection and cables making sure they are secure with no bent pins.

Make sure CD changer, SAT mode, or AUX is selected (correct key depends on your stereo) Check the cable connections. Make sure black cable is properly grounded

Make sure the Bus wire is securely attached by using a multimeter or slightly tighten the Posi-Tap connector. Refer to the BMWS cable manual.

Audio is not coming from 10-pin audio cable on BMWS harness is not

the speakers.

inserted properly.

Make sure that the 10-pin audio cable on BMWS harness is inserted properly, with white stripe or arrow facing up. If radio has 12-pin connector, make sure to skip "1" column of pins when connecting 10-pin GROM connector.

Audio is coming only from one speaker

The10-pin sound connector is not correctly aligned.

Make sure that the 10-pin sound connector on the vehicle cable is correctly aligned. Please refer to the BMWS harness manual.

Chapter 3 ? Usage manual

3.1 Different MODES of GROM-USB3

3.1.1 Different Modes for CD changer emulation only

Please read this part entirely before attempting to change the modes. You will need to perform all the steps

below quickly within 1-2 seconds interval.

Depending on your GROM firmware version, GROM-USB3 can work in three modes: USB, AUX or RADIO. Note: RADIO mode will only appear if there is HDR1 detected on EXT2 port Step I. When you need to switch between the MODES, first you will need to enter into the "MODE CHANGING" state on your car stereo. There are two possible scenarios:

1. The stereo is already in the CD changer mode (GROM USB is activated). Press FM/AM -> wait 1-2 second -> press CD (DISC).

2. The stereo is in any other mode (FM, SAT, etc...): press CD (DISC) -> wait 1-2 second -> press FM/AM -> wait 1 second -> press CD (DISC).

Step II. You will hear the voice announcing the currently playing mode (USB or AUX). To switch to the next mode, press Next Track button quickly (>, ^ or respective button on your car stereo) while the voice prompt is announcing. The next

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mode will be announced right after. If you need to select another mode, simply press Next Track button again and so on until you select the desired mode.

Note: If you do not hear the voice announcement, it means that you did not press quickly enough and the adapter is not in the "MODE CHANGING" state anymore. Please perform STEP I again.

Once you hear the desired mode announcement, simply wait for 1-2 seconds and the adapter will start operating in that mode.

3.1.2 Different MODES of GROM-USB for SAT emulation only Please read this part entirely before attempting to change the modes. Depending on your GROM firmware version, GROM-USB can work in three modes: USB, AUX or RADIO. Note: RADIO mode will only appear if there is HDR1 detected on EXT2 port Step I. When you need to switch between the MODES, Simply move to the next SAT band. i.e. XM1 -> XM2 or XM preset A -> XM preset B -> XM Preset C or SAT1-> SAT2 -> SAT3 Step II. You will hear the voice announcing the currently playing mode (USB or AUX). If you need to select another mode, simply switch to next XM/SAT preset Band again, i.e. XM2 -> X1 until you are in the mode you would like to be in. Once you hear the desired mode announcement, simply wait for 1-2 seconds and the adapter will start operating in that mode. Note: The USB mode and/or AUX mode is not restricted to just one Satellite Radio Band. (i.e. XM1 only USB) Both can flip places with each other while changing through the modes. Please listen for the announcement to know what MODE you are in.

Note: If your car is Nissan/Infinity (with SAT/CAT), Ford/Lincoln/Mercury, Mazda 3,5 08-12, Subaru 08-09, or Honda/Acura with SAT emulation ? please use the special instructions that came with your package for the usage/operation instructions.

3.2 USB MODE - Android Device Operation

3.2.1 Android Setup and Operation

The GROM-USB3 adapter when in USB mode allows you to connect your Android device directly to the GROM USB port. Scan QR code with your phone to download DashLinQ app from Google Play store. DashLinQ is the car mode app that allows you to integrate your Android phone to car stereo. Play and control, charge while in use. Digital music transmission via standard MicroUSB cable. Once you have DashLinQ installed on your Android device, you can connect your Android to the USB port using your own USB Android connector cable. If the version of your Android software is 2.3 and newer, you may or may not need to have USB Debugging enabled to allow DashLinQ to communicate between your Android and the GROM-USB3. If DashLinQ does not work with the USB Debugging off, try to turn it on. If the version of your Android software is older than 2.3, you will need to enable USB Debugging function on your phone. - To enable/disable USB Debugging, on Android device go to Settings Applications Development

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